460
AXPZ20 KNHC 200914
TWDEP
TROPICAL WEATHER DISCUSSION
NWS NATIONAL HURRICANE CENTER MIAMI FL
1005 UTC TUE JAN 20 2026
TROPICAL WEATHER DISCUSSION FOR THE EASTERN PACIFIC OCEAN FROM
03.4S TO 30N, EAST OF 120W INCLUDING THE GULF OF CALIFORNIA, AND
FROM THE EQUATOR TO 30N, BETWEEN 120W AND 140W. THE FOLLOWING
INFORMATION IS BASED ON SATELLITE IMAGERY, WEATHER OBSERVATIONS,
RADAR, AND METEOROLOGICAL ANALYSIS.
BASED ON 0600 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH
0900 UTC.
..SPECIAL FEATURES
GULF OF TEHUANTEPEC GALE WARNING: THE PRESSURE GRADIENT BETWEEN
STRONG HIGH PRESSURE NORTH OF THE AREA AND THE EASTERN NORTH
PACIFIC MONSOON TROUGH IS SUPPORTING GALE- FORCE N GAP WINDS OVER
THE GULF OF TEHUANTEPEC. THIS GALE, ALONG WITH VERY ROUGH SEAS,
WILL LIKELY LAST INTO WED MORNING. MARINE INTERESTS TRANSITING
ACROSS THE GULF OF TEHUANTEPEC INTO THE MIDDLE PART OF THE WEEK
SHOULD BE AWARE OF THESE GALE- FORCE GAP WINDS AND TAKE THE
NECESSARY ACTION TO AVOID HAZARDOUS MARINE CONDITIONS OVER THE
AFFECTED WATERS.
PLEASE READ THE LATEST HIGH SEAS FORECAST ISSUED BY THE NATIONAL
HURRICANE CENTER AT WEBSITE-
HTTPS://WWW.NHC.NOAA/GOV/TEXT/MIAHSFEP2.SHTML FOR MORE DETAILS.
..INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH
THE MONSOON TROUGH EXTENDS FROM 08N78W TO 09N85W TO 04N95W. THE
ITCZ CONTINUES FROM 04N95W TO 06N140W. SCATTERED MODERATE AND
ISOLATED STRONG CONVECTION IS NOTED FROM 05N TO 14N BETWEEN 102W
AND 110W, AND FROM 07N TO 16N BETWEEN 125W AND 140W.
..OFFSHORE WATERS WITHIN 250 NM OF MEXICO
A GALE WARNING REMAINS IN EFFECT FOR THE TEHUANTEPEC REGION.
REFER TO THE SPECIAL FEATURES SECTION ABOVE FOR DETAILS.
OUTSIDE OF THE TEHUANTEPEC AREA, GENTLE TO MODERATE WINDS AND
MODERATE SEAS PERSIST ACROSS THE MEXICAN OFFSHORE WATERS.
FOR THE FORECAST, ASIDE FROM THE TEHUANTEPEC GALE, GENTLE TO
MODERATE WINDS WILL PREVAIL THROUGH THE END OF THE WEEK, EXCEPT
LARGE NW SWELL MAY REACH GUADALUPE ISLAND OFF BAJA CALIFORNIA
NORTE BY SAT.
....OFFSHORE WATERS WITHIN 250 NM OF CENTRAL AMERICA, COLOMBIA,
AND WITHIN 750 NM OF ECUADOR...
FRESH TO STRONG GAP WINDS, AND SEAS OF 6 TO 8 FT, PREVAIL ACROSS
THE GULF OF PAPAGAYO, EXTENDING SW TO 90W. ROUGH SEAS OF 8 TO 9
FT ARE WELL OFFSHORE GUATEMALA AND EL SALVADOR IN SWELL GENERATED
BY THE GULF OF TEHUANTEPEC GALE FORCE GAP WIND EVENT. ELSEWHERE,
WINDS ARE MODERATE OR WEAKER WITH SEAS IN THE 3 TO 5 FT RANGE.
FOR THE FORECAST, THE PRESSURE GRADIENT BETWEEN HIGH PRESSURE
NORTH OF THE AREA AND THE EASTERN NORTH PACIFIC MONSOON TROUGH
WILL SUPPORT FRESH TO STRONG NE TO E WINDS AND ROUGH SEAS IN THE
PAPAGAYO REGION THROUGH THE END OF THE WEEK. THE PRESSURE
GRADIENT WILL ALSO SUPPORT PULSING OF MODERATE TO FRESH N WINDS
OVER THE GULF OF PANAMA THROUGH THE END OF THE WEEK. ELSEWHERE,
WINDS WILL BE MODERATE OR WEAKER OVER THE FORECAST WATERS THROUGH
THE END OF THE WEEK. NW TO N SWELL GENERATED BY GALES OVER THE
GULF OF TEHUANTEPEC WILL BRING ROUGH SEAS WELL OFFSHORE GUATEMALA
AND EL SALVADOR THROUGH MIDWEEK.
..REMAINDER OF THE AREA
LARGE NW SWELL OF 8 TO 9 FT COVERS THE AREA NORTH OF 15N AND
WEST OF 135W. GENTLE TO MODERATE BREEZES AND MODERATE COMBINED
SEAS, PRIMARILY IN NW SWELL, DOMINATE ELSEWHERE.
FOR THE FORECAST, THE LARGE NW SWELL WILL GRADUALLY SUBSIDE
THROUGH THE MIDDLE OF THE WEEK. FRESH TO STRONG WINDS FROM THE
GULF OF TEHUANTEPEC AND GULF OF PAPAGAYO GAP WILL SPREAD INTO THE
REGION THROUGH TONIGHT ALONG WITH SEAS OF 8 TO 12 FT. ELSEWHERE,
WINDS SHOULD REMAIN MODERATE OR WEAKER, WITH SEAS LESS THAN 8
FT, FOR THE NEXT SEVERAL DAYS.
CHRISTENSEN
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